diff options
Diffstat (limited to 'ANDROID_3.4.5/arch/sparc/kernel/of_device_common.c')
| -rw-r--r-- | ANDROID_3.4.5/arch/sparc/kernel/of_device_common.c | 177 |
1 files changed, 0 insertions, 177 deletions
diff --git a/ANDROID_3.4.5/arch/sparc/kernel/of_device_common.c b/ANDROID_3.4.5/arch/sparc/kernel/of_device_common.c deleted file mode 100644 index de199bf0..00000000 --- a/ANDROID_3.4.5/arch/sparc/kernel/of_device_common.c +++ /dev/null @@ -1,177 +0,0 @@ -#include <linux/string.h> -#include <linux/kernel.h> -#include <linux/of.h> -#include <linux/init.h> -#include <linux/export.h> -#include <linux/mod_devicetable.h> -#include <linux/errno.h> -#include <linux/irq.h> -#include <linux/of_device.h> -#include <linux/of_platform.h> - -#include "of_device_common.h" - -unsigned int irq_of_parse_and_map(struct device_node *node, int index) -{ - struct platform_device *op = of_find_device_by_node(node); - - if (!op || index >= op->archdata.num_irqs) - return 0; - - return op->archdata.irqs[index]; -} -EXPORT_SYMBOL(irq_of_parse_and_map); - -int of_address_to_resource(struct device_node *node, int index, - struct resource *r) -{ - struct platform_device *op = of_find_device_by_node(node); - - if (!op || index >= op->num_resources) - return -EINVAL; - - memcpy(r, &op->archdata.resource[index], sizeof(*r)); - return 0; -} -EXPORT_SYMBOL_GPL(of_address_to_resource); - -void __iomem *of_iomap(struct device_node *node, int index) -{ - struct platform_device *op = of_find_device_by_node(node); - struct resource *r; - - if (!op || index >= op->num_resources) - return NULL; - - r = &op->archdata.resource[index]; - - return of_ioremap(r, 0, resource_size(r), (char *) r->name); -} -EXPORT_SYMBOL(of_iomap); - -/* Take the archdata values for IOMMU, STC, and HOSTDATA found in - * BUS and propagate to all child platform_device objects. - */ -void of_propagate_archdata(struct platform_device *bus) -{ - struct dev_archdata *bus_sd = &bus->dev.archdata; - struct device_node *bus_dp = bus->dev.of_node; - struct device_node *dp; - - for (dp = bus_dp->child; dp; dp = dp->sibling) { - struct platform_device *op = of_find_device_by_node(dp); - - op->dev.archdata.iommu = bus_sd->iommu; - op->dev.archdata.stc = bus_sd->stc; - op->dev.archdata.host_controller = bus_sd->host_controller; - op->dev.archdata.numa_node = bus_sd->numa_node; - - if (dp->child) - of_propagate_archdata(op); - } -} - -static void get_cells(struct device_node *dp, int *addrc, int *sizec) -{ - if (addrc) - *addrc = of_n_addr_cells(dp); - if (sizec) - *sizec = of_n_size_cells(dp); -} - -/* - * Default translator (generic bus) - */ - -void of_bus_default_count_cells(struct device_node *dev, int *addrc, int *sizec) -{ - get_cells(dev, addrc, sizec); -} - -/* Make sure the least significant 64-bits are in-range. Even - * for 3 or 4 cell values it is a good enough approximation. - */ -int of_out_of_range(const u32 *addr, const u32 *base, - const u32 *size, int na, int ns) -{ - u64 a = of_read_addr(addr, na); - u64 b = of_read_addr(base, na); - - if (a < b) - return 1; - - b += of_read_addr(size, ns); - if (a >= b) - return 1; - - return 0; -} - -int of_bus_default_map(u32 *addr, const u32 *range, int na, int ns, int pna) -{ - u32 result[OF_MAX_ADDR_CELLS]; - int i; - - if (ns > 2) { - printk("of_device: Cannot handle size cells (%d) > 2.", ns); - return -EINVAL; - } - - if (of_out_of_range(addr, range, range + na + pna, na, ns)) - return -EINVAL; - - /* Start with the parent range base. */ - memcpy(result, range + na, pna * 4); - - /* Add in the child address offset. */ - for (i = 0; i < na; i++) - result[pna - 1 - i] += - (addr[na - 1 - i] - - range[na - 1 - i]); - - memcpy(addr, result, pna * 4); - - return 0; -} - -unsigned long of_bus_default_get_flags(const u32 *addr, unsigned long flags) -{ - if (flags) - return flags; - return IORESOURCE_MEM; -} - -/* - * SBUS bus specific translator - */ - -int of_bus_sbus_match(struct device_node *np) -{ - struct device_node *dp = np; - - while (dp) { - if (!strcmp(dp->name, "sbus") || - !strcmp(dp->name, "sbi")) - return 1; - - /* Have a look at use_1to1_mapping(). We're trying - * to match SBUS if that's the top-level bus and we - * don't have some intervening real bus that provides - * ranges based translations. - */ - if (of_find_property(dp, "ranges", NULL) != NULL) - break; - - dp = dp->parent; - } - - return 0; -} - -void of_bus_sbus_count_cells(struct device_node *child, int *addrc, int *sizec) -{ - if (addrc) - *addrc = 2; - if (sizec) - *sizec = 1; -} |